Add comments for Alt+d key sequences

ruby · Sep 5, 2021 · 4cb5f7e · 4cb5f7e
1 parent b035e1d
commit 4cb5f7e
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/irb/input-method.rb b/lib/irb/input-method.rb
@@ -315,7 +315,10 @@ def auto_indent(&block)
 
     SHOW_DOC_DIALOG = ->() {
       dialog.trap_key = nil
-      alt_d = [[Reline::Key.new(nil, 0xE4, true)], [195, 164]]
+      alt_d = [
+        [Reline::Key.new(nil, 0xE4, true)], # Normal Alt+d.
+        [195, 164] # The "ä" that appears when Alt+d is pressed on xterm.
+      ]
       begin
         require 'rdoc'
       rescue LoadError